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Command Injection in Crestron DMC-STRO



Published: 2019-12-02
Severity High
Patch available NO
Number of vulnerabilities 1
CVE ID CVE-2019-18184
CWE ID CWE-77
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		DMC-STRO
Hardware solutions / Other hardware appliances

Vendor Crestron Electronics, Inc.

Security Advisory

This security advisory describes one high risk vulnerability.

1) Command Injection

Severity: High

CVSSv3: 9.3 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C] [PCI]

CVE-ID: CVE-2019-18184

CWE-ID: CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Exploit availability: Yes [Search exploit]

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to a lack of input validation in the Bash Command Substitution on the "ping" command parameters. A remote attacker can execute arbitrary commands on the device on behalf of the root user.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

DMC-STRO: 1.0

CPE External links

https://www.crestron.com/en-US/Products/Video/DigitalMedia-Modular-Matrix/Output-Cards-Blades/DMC-STRO
https://www.quantumleap.it/crestron-dmc-stro-remote-root-rce/
https://www.quantumleap.it/news/advisory/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.